Elementary Positional Astronomy Supported by PC Software Programs    by Arturo_and_Raffaele Chiesa
Price: $2.99 USD. 12200 words. Language: English. Published on February 20, 2012. Nonfiction » Science and Nature » Astronomy.
Positional Astronomy is the science describing the position of an object in the sky and its movement in the celestial sphere. The argument is treated in a plain but exhaustive way, allowing also the beginners to easily approach this subject. The book includes many examples (more than 70 colour images) which can also be reproduced thanks to a software developed by the Authors (free download)